/Engine/Source/Runtime/CoreUObject/Public/UObject/ObjectMacros.h
Valid keywords for the UFUNCTION and UDELEGATE macros
namespace UF { enum { BlueprintImplementableEvent, BlueprintNativeEvent, SealedEvent, Exec, Server, Client, NetMulticast, Reliable, Unreliable, BlueprintPure, BlueprintCallable, BlueprintGetter, BlueprintSetter, BlueprintAuthorityOnly, BlueprintCosmetic, BlueprintInternalUseOnly, CallInEditor, CustomThunk, Category, FieldNotify, WithValidation, ServiceRequest, ServiceResponse, Variadic, ReturnDisplayName, InternalUseParam, ForceAsFunction, IgnoreTypePromotion, } }